We stick with the theory of "quality first, company first, steady improvement and innovation to satisfy the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for
1200mm diameter pipe Because we stay with this line about 10 years. We got most effective suppliers support on excellent and cost. And we had weed out suppliers with poor high quality. Now several OEM factories cooperated with us too.